Main Entry: coun·ter·open·ing Pronunciation: 'kaun-t&r-"Op-(&-)ni[ng] Function: noun : an aperture on the opposite side or in adifferent place; specifically: a surgical opening made opposite another to facilitate drainage (as of an abscess)
counteropening coun·ter·o·pen·ing (koun'tər-ō'pə-nĭng) n. A second opening made at the lowest part of an abscess or other fluid-containing cavity to assist in drainage. Also called contra-aperture, counterpuncture.
